/**
 *  Copyright (C) 2010 Travis Brown
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.scalaq.q.`implicit`

import scala.io.Source

object S01 {
  def main(args: Array[String]) {
    val filename = args(0)
    val k = args(1).toInt

    scala.util.Random.setSeed(1001)

    val coordinates = Source.fromFile(filename).getLines.map { line =>
      val Array(lat, lng) = line.split("\t").map(_.toDouble)
      Coordinate.fromDegrees(lat, lng)
    }.toIndexedSeq

    import SphericalGeometry._

    val clusterer = new KMeans
    clusterer.cluster(coordinates, k).foreach { coordinate =>
      println(coordinate.getLatDegrees + " " + coordinate.getLngDegrees)
    }
  }
}

